What is the DMFC?
Direct Methanol Fuel Cell
Using methanol fuel directly.
Energy generating system
by electric chemical reaction.
Fuel cell which is based on PEFC technology
Energy source : CH3OH
(separate H2 from CH3OH)
Using electron from Water
Basic principle : makes a hydrogen ion concentration difference
Anode Catalyst
PtRu Catalyst :
for marketing / R&D
Hybrid technology
Threat
Economy recession
Stronger & new competitors
Increasing price of LPG
Launched in Japan May 2009 , 21,725 dollars, 26 million won (1200 won per $)
4Cylinder 1.8L 98horse power, THS, Nickel Metal Battery
Gas mileage 21.25 km/L (EPA), CO2 90g/Km less
IPA(Intelligent Parking Assist), solar panel(option), Air resistance rate 0.25 Cd
ion-conducting membrane. Oxygen passes over one electrode, and hydrogen over the other, and it generates electricity, water and heat. Fuel cells chemically combine the molecules of a fuel and oxidizer without pollution of traditional combustion.
In a fuel cell, the electricity is generated directly as an electrochemical device and therefore, there is no high-temperature step as normal burning
< 전체적인 과정 > TEM용과 SEM용을 구별하여 준비
조직 접수 → 고정 → overnight 냉장→ TEM용 시료(99%이상)/SEM용 시료(1년에 20case 이내) 제조 → 퇴근 전 포매처리, overnight (80℃에서 블록을 형성) → 다음날 trimming 해서 semithin section → ultrathin section → 전자염색 → 전자현미경 촬영 → sacn → 컴퓨터로 확인
Title 제 4족 양이온의 정성분석
4 Cation's Qualitative analysis
Object 용액 속에 녹아있는 양이온 4족에 속하는 Co2+, Ni2+, Mn2+, Zn2+ 이온의 체계적인 분석을 통하여 그 존재를 확인하고, 이들의 침전반응과 평형을 이해한다
Abstract
Co2+, Ni2+, Mn2+, Zn2+ belong to melted 4 cation in solution. check up 4 cation's existence look th
1. VSEPR ; valence shell electron-pair repulsion
(원자가껍질 전자쌍 반발이론)
2. VBT ; valence bond theory
(원자가 결합 이론)
3. MOT ; molecular orbital theory
(분자 궤도 함수)
4. CFT ; crystal field theory
(결정장 이론)
5. LFT ; ligand field theory
(리간드장 이론)
리튬이온전지는 음극재, 양극재, 분리막, 전해액 등 4개의 핵심소재로 구성되어 있고, 이 핵심소재들이 반응하여 에너지를 저장하고 방출합니다.
양극재는 전기가 들어오면 리튬이온을 통해 전하를 실어 나르는 역할을 하고, 음극재는 이동해 온 리튬이온과 전하를 저장하였다가 방출하는 역할을 담당
Ever since the first gasoline powered vehicle was invented in 1885 in Germany, gasoline cars have had the biggest share in the market of the car industry. But global warming and the soaring oil prices are causing the car industry to develop alternative vehicles to gasoline ones. There are two alternatives: hybrid cars and electric cars. Hybrid cars are powered by an internal combustion engine tha
Product Name
Eneloop Mobile Buster KBC-L2B
Price
₩59,000~ ₩63,000
Function
Portable smart phone charger
Portable tablet PC charger
Company
SANYO Inc.
Taken over by Panasonic
Practicable Product
Apple : I-phone, I-pad
Android : Galaxy series, Sony,
Packaging content
1x Mobile Booster KBC-L2B
1x Charger input USB cable
1x Micro USB attachment
1x AC a